diff --git a/.github/workflows/test-cygwin.yml b/.github/workflows/test-cygwin.yml
index 4526b9454..2e5724b15 100644
--- a/.github/workflows/test-cygwin.yml
+++ b/.github/workflows/test-cygwin.yml
@@ -144,7 +144,7 @@ jobs:
           bash.exe .ci/after_success.sh
 
       - name: Upload coverage
-        uses: codecov/codecov-action@v3.1.5
+        uses: codecov/codecov-action@v4.0.1
         with:
           file: ./coverage.xml
           flags: GHA_Cygwin
diff --git a/.github/workflows/test-docker.yml b/.github/workflows/test-docker.yml
index f40286fe4..dcfeefdd8 100644
--- a/.github/workflows/test-docker.yml
+++ b/.github/workflows/test-docker.yml
@@ -101,7 +101,7 @@ jobs:
         MATRIX_DOCKER: ${{ matrix.docker }}
 
     - name: Upload coverage
-      uses: codecov/codecov-action@v3.1.5
+      uses: codecov/codecov-action@v4.0.1
       with:
         flags: GHA_Docker
         name: ${{ matrix.docker }}
diff --git a/.github/workflows/test-mingw.yml b/.github/workflows/test-mingw.yml
index b4e479f12..79d6042ee 100644
--- a/.github/workflows/test-mingw.yml
+++ b/.github/workflows/test-mingw.yml
@@ -85,7 +85,7 @@ jobs:
           python3 -m pytest -vx --cov PIL --cov Tests --cov-report term --cov-report xml Tests
 
       - name: Upload coverage
-        uses: codecov/codecov-action@v3.1.5
+        uses: codecov/codecov-action@v4.0.1
         with:
           file: ./coverage.xml
           flags: GHA_Windows
diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml
index c936be559..cf3fbb2a7 100644
--- a/.github/workflows/test-windows.yml
+++ b/.github/workflows/test-windows.yml
@@ -213,7 +213,7 @@ jobs:
       shell: pwsh
 
     - name: Upload coverage
-      uses: codecov/codecov-action@v3.1.5
+      uses: codecov/codecov-action@v4.0.1
       with:
         file: ./coverage.xml
         flags: GHA_Windows
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 643273e58..e0b204370 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -150,7 +150,7 @@ jobs:
         .ci/after_success.sh
 
     - name: Upload coverage
-      uses: codecov/codecov-action@v3.1.5
+      uses: codecov/codecov-action@v4.0.1
       with:
         flags: ${{ matrix.os == 'ubuntu-latest' && 'GHA_Ubuntu' || 'GHA_macOS' }}
         name: ${{ matrix.os }} Python ${{ matrix.python-version }}